CN102518310B - Construction method of photoelectric curtain wall of glass film - Google Patents
Construction method of photoelectric curtain wall of glass film Download PDFInfo
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- CN102518310B CN102518310B CN 201110408439 CN201110408439A CN102518310B CN 102518310 B CN102518310 B CN 102518310B CN 201110408439 CN201110408439 CN 201110408439 CN 201110408439 A CN201110408439 A CN 201110408439A CN 102518310 B CN102518310 B CN 102518310B
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- 238000010276 construction Methods 0.000 title claims abstract description 22
- 239000011521 glass Substances 0.000 title claims abstract description 9
- 238000009826 distribution Methods 0.000 claims abstract description 56
- 230000002265 prevention Effects 0.000 claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 33
- 239000004020 conductor Substances 0.000 claims description 33
- 229910052802 copper Inorganic materials 0.000 claims description 33
- 239000010949 copper Substances 0.000 claims description 33
- 238000009434 installation Methods 0.000 claims description 27
- 238000012360 testing method Methods 0.000 claims description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000013461 design Methods 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 239000003973 paint Substances 0.000 claims description 12
- 230000005855 radiation Effects 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 10
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 8
- 239000010410 layer Substances 0.000 claims description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 6
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 238000002788 crimping Methods 0.000 claims description 6
- 230000009970 fire resistant effect Effects 0.000 claims description 6
- 239000003063 flame retardant Substances 0.000 claims description 6
- 238000005246 galvanizing Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 3
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- 230000033228 biological regulation Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 3
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 238000004079 fireproofing Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
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- 235000000396 iron Nutrition 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
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Abstract
The invention discloses a construction method of a photoelectric curtain wall of a glass film, which comprises mounting a support, laying a roof, mounting a cable tray, laying wires and cables, mounting a direct-current combiner box, wiring, mounting a low-voltage power distribution cabinet, wiring, mounting an inverter, mounting a grounding unit, mounting a monitoring system, mounting an adverse current prevention unit, and mounting a lightning protection facility. The invention combines the common conventional curtain wall (roof) with the photoelectric effect, makes the wall surface or roof have exterior protection functions, has rain-escaping, shading, wind proofing, sunstroke preventing and winter protection functions, simultaneously utilizes solar energy to generate power, and has obvious economic benefits.
Description
Technical field
The present invention relates to a kind of job practices of glass film photoelectric curtain wall.
Background technology
The job practices of existing glass film photoelectric curtain wall, construction is complicated, and construction effect is undesirable.
Summary of the invention
The object of the present invention is to provide a kind of rational in infrastructure, the job practices of the glass film photoelectric curtain wall that construction effect is good.
Technical solution of the present invention is:
A kind of job practices of glass film photoelectric curtain wall is characterized in that: comprise the following steps:
(1) support is installed: at first carry out sign on agent structure, then the good line of bullet punches, gluing is fixed on the support location in the hole, then processes carrying out water-tight around the hole;
(2) roofing is laid
1. photovoltaic module by the design pitch marshalling and be fixed on support or connector on;
2. leave installing space between photovoltaic module and building coats and the gap of dispelling the heat, this gap must not be clogged by foreign material such as constructions;
3. the roofing photovoltaic square formation is arranged according to minimal channel width 500mm;
(3) cable testing bridge is installed
1) before cable testing bridge is installed, with the position that civil engineering water service pipe, the specialty of ventilating are coordinated, at first carry out unwrapping wire location, mounting suspension, the suspension and support spacing is chosen span by line of load and is supported, span is 1.5m～3m, and during at right angle setting, the fixed point spacing is not more than 2m;
2) after suspension bracket, support are installed and are finished, carrying out trailing arm installs, trailing arm and hang between support and to use brace to fix, vertical can the gravitate run-off the straight not sagging to guarantee between support and crane span structure body maintenance, erection bridge body again, the crane span structure body uses junction plate to be connected and fixed, and with set bolt, the body of a bridge is fixed on trailing arm, in case the crane span structure slippage;
Height off the ground when 3) cable bridge horizontal is installed is not less than 2.5m, during at right angle setting apart from ground 1.8m;
When 4) cable bridge horizontal is installed, choose best span by line of load and support fixing; Several groups of cable testing bridges arrange maintenance, maintenance distance between each adjacent cable crane span structure when the parallel installation of sustained height;
5) on cable testing bridge continuously apart from cabling, the filling rate in cable cross section in crane span structure, power cable is not more than 40%, control cables is not more than 50%;
6) cable testing bridge is parallel with various pipelines or when intersecting, its minimum low coverage meets following requirement:
| The pipeline classification | Parallel clear distance | The intersection clear distance |
| The general technology pipeline | 0.4m | 0.3m |
| Have corrosive liquids or gas pipeline | 0.5m | 0.5m |
| The insulation layer heat distribution pipeline is arranged | 0.5m | 0.5m |
| Without the insulation layer heat distribution pipeline | 1.0m | 1.0m |
7) the every road of cable testing bridge is adopted and is no less than 2 place's reliable grounds, and ground connection adopts the galvanizing band iron to be connected with natural grounding substance, ground resistance≤1 Ω;
(4) electric wire lays
1) wire connects
The crimping method is adopted in the connection of wire in case, box, uses wiring terminal and copper or aluminum casing, wire clamp to connect; The sub-thread aluminum core line adopts the wiring of insulation spiral to turn round connection; During being connected between wire and electric terminal, sub-thread copper or aluminium core and conductor cross-section are 25.mm
2And following multiply copper conductor directly connects, and the core of multiply copper conductor adopted connect after first tightening, ward off tin again; Multiply copper conductor and conductor cross-section surpass 2.5mm
2Many copper conductors crimp type terminal after be connected with the terminal of electric device again; Copper, aluminum conductor are connected and use copper-aluminum transition terminal, copper-aluminium transition sleeve pipe or copper-aluminium transition wire clip to connect, and copper, when aluminium terminal is connected, copper tip are done and are warded off tin and process; When using the crimping method to connect wire, the specification of wiring terminal copper or aluminum casing, pressing mold is consistent with the core cross section;
2) color mark of insulated electric conductor or bare conductor in circuit:
AC three-phase circuit: L1 is yellow mutually; L2 is green mutually; L3 is red mutually; The neutral conductor is light blue; The protection ground wire is yellowish green alternate color; Greenish-yellow Double-colour horn wire only is used for the mark protection grounding can not be used for other purposes; Light blue is used for neutrality or medium line;
3) calculate every cable length by design and Actual path before laying, arrange every dish cable, the minimizing cable connector;
4) minimum bending radius of cable meets: control cables and PVC insulated power cable are not less than 10D, and power cable with cross-linked polyethylene insulation is not less than 15D, and D is the outside diameter of cable here;
5) during cable laying, cable is drawn from the upper end of dish;
6) layout of power cable connector
1. the cable that lays side by side, stagger mutually in the position of its joint;
2. the joint during the cable surface, put fixing with the supporting plate holder;
3. there is the protection box of the mechanical damage of preventing direct-buried cable connector box outside; Be positioned at the protection box of frozen soil layer, annotate with pitch in box;
7) installing of sign board
In cable terminal, cable connector, corner, interlayer, in the two ends of tunnel and vertical shaft, people's well, install sign board on cable, indicate circuit number on sign board, when without numbering, write cable model, specification and origin exactly, the cable that uses in parallel has serial number;
8) cable that lays of vertical run or the inclination over 45 ° is in each support place; On crane span structure every the 2m place; The cable of horizontal laying is at the place, two ends of cable head and end and turning, cable connector; When the cable spacing is had requirement, every the 5-10m place; Single-core cable fixedly meet designing requirement;
9) fireproofing of cable is fire-retardant
Pass vertical shaft, wall, floor or enter the hole place of electrical panel, cabinet at cable, with the closely knit shutoff of fire prevention calking; In cable trench and tunnel, segmentation or answer the soft flame-proof material that fire resisting wall is set on request to the cable in important loop, in the special raceway groove that is laid in separately or in fire-resistant enclosed slot box, or applies fireproof paint, fire prevention band to it; In the power cable connector both sides and the long section of adjacent cable 2-3 apply fireproof paint or fire prevention band, adopt fire-resistant or flame retardant type cable;
(5) direct current conflux case install, wiring: by design and installation figure carry out frame, rack is installed screw and must be tightened; Frame, machine apart from install should with the inlet wire position alignment; During installation, should adjust level, verticality, deviation and be not more than 3mm; The installation drawing, the design arrangement figure that provide by the supplier carry out the distribution installation; The metal base of frame, rack, distributing frame is all carried out grounding connection; Before termination, the rack inner cable performs colligation, should leave the mobile surplus of 1 meter; Be ready to distributing frame termination table before termination, cable termination carries out according to the termination table; At first the cable that enters in rack from the scene will carry out the verification numbering, and the cable that enters in rack from the scene will be fixed; Enter cable in rack from the scene, should leave surplus; The cable that enters in rack from the scene does not admit of joint;
(6) low-voltage distribution cabinet installation, wiring
When 1) in a row the length of power distribution cabinet surpassed 6m, the channel setting after cabinet led to the outlet in this chamber or other rooms, and outlet is arranged in the both sides of passage, when the distance between two outlets surpasses 15m, also increased export therebetween;
2) designing requirement of construction drawing is pressed in the plan-position of low-voltage distribution cabinet, the locus unified standard size Control in the reference lamina vertical shaft;
3) independent low-voltage distribution cabinet, the verticality of only looking for cabinet face and side;
4) power distribution cabinet in column in place after, first look for the cabinet at two ends, little line is tightened in supreme 2/3 high position under the cabinet again, and is by the platform centering, as nonstandard in cabinet, be as the criterion with the cabinet face, adopt the 0.5mm iron plate to adjust during centering, every place pad can not surpass 3, the size of then pressing set bolt at most, use drilling of electric hand drill on the foundation trench steelframe, low-voltage distribution cabinet is fixed with the galvanized bolt of M12;
5) in a row power distribution cabinet is fixed with bolt between cabinet and cabinet, according to the difference of the height of cabinet, selects corresponding fixed point;
(7) inverter is installed
1) photovoltaic combining inverter requires installation ground smooth, and the rack surrounding has enough spaces, is convenient to heat radiation and safeguards, headroom is not less than 50cm, and the space, back is not less than 50cm, and rack the place ahead can not be less than 80cm;
By assembly access situation divide single group conspire to create, organize more conspire to create, centralized;
2) be connected with photovoltaic array: when designing the group serial type photovoltaic array that is connected with the 100KW Photovoltaic Inverter, photovoltaic array both positive and negative polarity open-circuit voltage is no more than 880V;
3) be connected with electrical network: as long as the three phase network electric voltage frequency meets the requirements, photovoltaic combining inverter can work, voltage range: 310V～450V, frequency range: 47HZ～51.5HZ;
4) DC side wiring: the maximum open circuit voltage of photovoltaic module is no more than 880V, and not charged when connecting the input cable, namely the line breaker of DC power distribution cabinet must be in off-state; Measure the input voltage positive-negative polarity with universal meter, avoid inputting reverse polarity connection; Just just connecing input terminal with input, to input the negative input terminal that connects;
5) AC wiring: when connecting the electric current electrical network, AC is not charged, and namely the line breaker of AC power distribution cabinet/AC distribution panel is in off-state;
6) ground wire wiring: the ground connection copper bar of photovoltaic DC-to-AC converter reliably is connected with the earth gets final product;
(8) ground device is installed
1) ground device is installed: natural grounding substance, and utilize and do ground connector without waterproof baseplate reinforcing bar or deep foundation, by designing requirement, the baseplate reinforcing bar overlap joint is welded; With two reinforcing bar and baseplate reinforcing bar welding of facing mutually the diagonal angle in post, and main muscle in post is carried out mark with colour code, the colour code color is separated with the color of using on civil works in same construction unit;
2) the ground connection main line lays: surface is established dismounting and the maintenance that ground wire does not hinder equipment; Grounding wire is answered level or vertical run, or along the building surface parallel lay-up; When grounding wire laid along building walls, the ground connection main line was not less than 200 ㎜ apart from ground, be not less than 10m apart from metope, and the horizontal range between supporter is 1m, and vertical component is 1.5m, and round part is divided into 0.5m; The grounding wire surface brush that surface is established is pitch-dark, but ground connection clamp and connect terminal etc. and locate not brush oil; When through walls, casing protection is crossed over the shrinkage joint; Carefully connect the wire and guide the place, building entrance into, be marked with black ground connection sign;
(9) monitoring system is installed
1) environment temperature sensor: adopt radiation shield to realize anti-spoke, the plane parallel of total solar radiation sensor and photovoltaic module, deviation be no more than ± and 2 °;
2) measuring equipment is installed: the photovoltaic system environment temperature sensor is arranged on the sun-shading ventilating place of photovoltaic module central point equal height, in photovoltaic module 1.5m-10m scope; The assembly surface temperature pick up is arranged on the center at the photovoltaic module back side; The total solar radiation installation of sensors is on important actor;
3) data acquisition unit is installed: the data acquisition unit construction and installation meet the regulation in " instrument and meter for automation engineering construction and standards of acceptance " GB50093; The holding wire conductor adopts shielding line, avoids and the parallel cabling of strong signal cable, or uses the steel pipe shielding; It is clear that the sign of signal keeps, and the pressure reduction between the multi-analog input signal of a module is not more than 24V;
(10) anti-backflow device is installed: anti-backflow device is arranged in the photovoltaic plant AC power distribution cabinet/AC distribution panel, the current signal of distribution transformer low-pressure side and voltage signal acquisition in AC power distribution cabinet/AC distribution panel;
(11) lightning protection facility is installed
1) first order power arrester is installed on the end of incoming cables; Direct lightning strike, conduction thunder, induction thunder are implemented end of incoming cables department level protection;
2) the arrester circuit distance of one-level arrester that is installed on distribution end and requires distance in the second level is greater than 10 meters; Be struck by lightning energy and lightning wave reflection, indirect lightning strike of the remnants of elementary protection protected;
3) third level arrester is installed on protected equipment end, and greater than 10 meters, and the distance of the circuit between protected equipment is not more than 10 meters apart from the circuit of second level arrester distance, and surpassing 10 meters needs to append the one-level arrester, prevents the lightning wave reflection;
4) ground connection way: require all exposed metal support component reliably to be connected with ground connector, after field trial, adopt the self-tapping screw of M5 to carry out hinged, ground connector forms and is no less than two places, diagonal angle after ring-type and original roof lighting proof strip reliably welds;
5) at photovoltaic module one week of periphery and middle escape way place's increase lightning protection grounding network of roofing, adopt 25 * 4 galvanizing band irons, and reliably be welded to connect with original roof lighting proof strip, weld adopts 2 times red lead anti-corrosive paints to do preservative treatment, and brushes aluminium paint 2 times.
The present invention combines common traditional curtain wall (roof) with the photoelectric effect principle, make its metope or roof have the Support Function effect, can take shelter from rain, shade, windproof, heatstroke prevention, winter protection etc., can also utilize simultaneously the solar energy use of generating electricity, two getting, have obvious economical characters at one stroke.
The present invention can use in the existing building object of construction production, also can use in reconstruction of existing building, and it has wide range of applications, and has the practicality characteristics; Photoelectric curtain wall roof construction is applicable to solar energy resources and enriches the zone and be applicable to three-dimensional building, is applicable to building position at sunshine etc.
The invention will be further described below in conjunction with embodiment.
The specific embodiment
A kind of job practices of glass film photoelectric curtain wall is characterized in that: comprise the following steps:
(1) support is installed: at first carry out sign on agent structure, then the good line of bullet punches, gluing is fixed on the support location in the hole, then processes carrying out water-tight around the hole;
(2) roofing is laid
1. photovoltaic module by the design pitch marshalling and be fixed on support or connector on;
2. leave installing space between photovoltaic module and building coats and the gap of dispelling the heat, this gap must not be clogged by foreign material such as constructions;
3. the roofing photovoltaic square formation is arranged according to minimal channel width 500mm;
(3) cable testing bridge is installed
1) before cable testing bridge is installed, with the position that civil engineering water service pipe, the specialty of ventilating are coordinated, at first carry out unwrapping wire location, mounting suspension, the suspension and support spacing is chosen span by line of load and is supported, span is 1.5m～3m, and during at right angle setting, the fixed point spacing is not more than 2m;
2) after suspension bracket, support are installed and are finished, carrying out trailing arm installs, trailing arm and hang between support and to use brace to fix, vertical can the gravitate run-off the straight not sagging to guarantee between support and crane span structure body maintenance, erection bridge body again, the crane span structure body uses junction plate to be connected and fixed, and with set bolt, the body of a bridge is fixed on trailing arm, in case the crane span structure slippage;
Height off the ground when 3) cable bridge horizontal is installed is not less than 2.5m, during at right angle setting apart from ground 1.8m;
When 4) cable bridge horizontal is installed, choose best span by line of load and support fixing; Several groups of cable testing bridges arrange maintenance, maintenance distance between each adjacent cable crane span structure when the parallel installation of sustained height;
5) on cable testing bridge continuously apart from cabling, the filling rate in cable cross section in crane span structure, power cable is not more than 40%, control cables is not more than 50%;
6) cable testing bridge is parallel with various pipelines or when intersecting, its minimum low coverage meets following requirement:
| The pipeline classification | Parallel clear distance | The intersection clear distance |
| The general technology pipeline | 0.4m | 0.3m |
| Have corrosive liquids or gas pipeline | 0.5m | 0.5m |
| The insulation layer heat distribution pipeline is arranged | 0.5m | 0.5m |
| Without the insulation layer heat distribution pipeline | 1.0m | 1.0m |
7) the every road of cable testing bridge is adopted and is no less than 2 place's reliable grounds, and ground connection adopts the galvanizing band iron to be connected with natural grounding substance, ground resistance≤1 Ω;
(4) electric wire lays
1) wire connects
The crimping method is adopted in the connection of wire in case, box, uses wiring terminal and copper or aluminum casing, wire clamp to connect; The sub-thread aluminum core line adopts the wiring of insulation spiral to turn round connection; During being connected between wire and electric terminal, sub-thread copper or aluminium core and conductor cross-section are 25.mm
2And following multiply copper conductor directly connects, and the core of multiply copper conductor adopted connect after first tightening, ward off tin again; Multiply copper conductor and conductor cross-section surpass 2.5mm
2Many copper conductors crimp type terminal after be connected with the terminal of electric device again; Copper, aluminum conductor are connected and use copper-aluminum transition terminal, copper-aluminium transition sleeve pipe or copper-aluminium transition wire clip to connect, and copper, when aluminium terminal is connected, copper tip are done and are warded off tin and process; When using the crimping method to connect wire, the specification of wiring terminal copper or aluminum casing, pressing mold is consistent with the core cross section;
2) color mark of insulated electric conductor or bare conductor in circuit:
AC three-phase circuit: L1 is yellow mutually; L2 is green mutually; L3 is red mutually; The neutral conductor is light blue; The protection ground wire is yellowish green alternate color; Greenish-yellow Double-colour horn wire only is used for the mark protection grounding can not be used for other purposes; Light blue is used for neutrality or medium line;
3) calculate every cable length by design and Actual path before laying, arrange every dish cable, the minimizing cable connector;
4) minimum bending radius of cable meets: control cables and PVC insulated power cable are not less than 10D, and power cable with cross-linked polyethylene insulation is not less than 15D, and D is the outside diameter of cable here;
5) during cable laying, cable is drawn from the upper end of dish;
6) layout of power cable connector
1. the cable that lays side by side, stagger mutually in the position of its joint;
2. the joint during the cable surface, put fixing with the supporting plate holder;
3. there is the protection box of the mechanical damage of preventing direct-buried cable connector box outside; Be positioned at the protection box of frozen soil layer, annotate with pitch in box;
7) installing of sign board
In cable terminal, cable connector, corner, interlayer, in the two ends of tunnel and vertical shaft, people's well, install sign board on cable, indicate circuit number on sign board, when without numbering, write cable model, specification and origin exactly, the cable that uses in parallel has serial number;
8) cable that lays of vertical run or the inclination over 45 ° is in each support place; On crane span structure every the 2m place; The cable of horizontal laying is at the place, two ends of cable head and end and turning, cable connector; When the cable spacing is had requirement, every the 5-10m place; Single-core cable fixedly meet designing requirement;
9) fireproofing of cable is fire-retardant
Pass vertical shaft, wall, floor or enter the hole place of electrical panel, cabinet at cable, with the closely knit shutoff of fire prevention calking; In cable trench and tunnel, segmentation or answer the soft flame-proof material that fire resisting wall is set on request to the cable in important loop, in the special raceway groove that is laid in separately or in fire-resistant enclosed slot box, or applies fireproof paint, fire prevention band to it; In the power cable connector both sides and the long section of adjacent cable 2-3 apply fireproof paint or fire prevention band, adopt fire-resistant or flame retardant type cable;
(5) direct current conflux case install, wiring: by design and installation figure carry out frame, rack is installed screw and must be tightened; Frame, machine apart from install should with the inlet wire position alignment; During installation, should adjust level, verticality, deviation and be not more than 3mm; The installation drawing, the design arrangement figure that provide by the supplier carry out the distribution installation; The metal base of frame, rack, distributing frame is all carried out grounding connection; Before termination, the rack inner cable performs colligation, should leave the mobile surplus of 1 meter; Be ready to distributing frame termination table before termination, cable termination carries out according to the termination table; At first the cable that enters in rack from the scene will carry out the verification numbering, and the cable that enters in rack from the scene will be fixed; Enter cable in rack from the scene, should leave surplus; The cable that enters in rack from the scene does not admit of joint;
(6) low-voltage distribution cabinet installation, wiring
When 1) in a row the length of power distribution cabinet surpassed 6m, the channel setting after cabinet led to the outlet in this chamber or other rooms, and outlet is arranged in the both sides of passage, when the distance between two outlets surpasses 15m, also increased export therebetween;
2) designing requirement of construction drawing is pressed in the plan-position of low-voltage distribution cabinet, the locus unified standard size Control in the reference lamina vertical shaft;
3) independent low-voltage distribution cabinet, the verticality of only looking for cabinet face and side;
4) power distribution cabinet in column in place after, first look for the cabinet at two ends, little line is tightened in supreme 2/3 high position under the cabinet again, and is by the platform centering, as nonstandard in cabinet, be as the criterion with the cabinet face, adopt the 0.5mm iron plate to adjust during centering, every place pad can not surpass 3, the size of then pressing set bolt at most, use drilling of electric hand drill on the foundation trench steelframe, low-voltage distribution cabinet is fixed with the galvanized bolt of M12;
5) in a row power distribution cabinet is fixed with bolt between cabinet and cabinet, according to the difference of the height of cabinet, selects corresponding fixed point;
(7) inverter is installed
1) photovoltaic combining inverter requires installation ground smooth, and the rack surrounding has enough spaces, is convenient to heat radiation and safeguards, headroom is not less than 50cm, and the space, back is not less than 50cm, and rack the place ahead can not be less than 80cm;
By assembly access situation divide single group conspire to create, organize more conspire to create, centralized;
2) be connected with photovoltaic array: when designing the group serial type photovoltaic array that is connected with the 100KW Photovoltaic Inverter, photovoltaic array both positive and negative polarity open-circuit voltage is no more than 880V;
3) be connected with electrical network: as long as the three phase network electric voltage frequency meets the requirements, photovoltaic combining inverter can work, voltage range: 310V～450V, frequency range: 47HZ～51.5HZ;
4) DC side wiring: the maximum open circuit voltage of photovoltaic module is no more than 880V, and not charged when connecting the input cable, namely the line breaker of DC power distribution cabinet must be in off-state; Measure the input voltage positive-negative polarity with universal meter, avoid inputting reverse polarity connection; Just just connecing input terminal with input, to input the negative input terminal that connects;
5) AC wiring: when connecting the electric current electrical network, AC is not charged, and namely the line breaker of AC power distribution cabinet/AC distribution panel is in off-state;
6) ground wire wiring: the ground connection copper bar of photovoltaic DC-to-AC converter reliably is connected with the earth gets final product;
(8) ground device is installed
1) ground device is installed: natural grounding substance, and utilize and do ground connector without waterproof baseplate reinforcing bar or deep foundation, by designing requirement, the baseplate reinforcing bar overlap joint is welded; With two reinforcing bar and baseplate reinforcing bar welding of facing mutually the diagonal angle in post, and main muscle in post is carried out mark with colour code, the colour code color is separated with the color of using on civil works in same construction unit;
2) the ground connection main line lays: surface is established dismounting and the maintenance that ground wire does not hinder equipment; Grounding wire is answered level or vertical run, or along the building surface parallel lay-up; When grounding wire laid along building walls, the ground connection main line was not less than 200 ㎜ apart from ground, be not less than 10m apart from metope, and the horizontal range between supporter is 1m, and vertical component is 1.5m, and round part is divided into 0.5m; The grounding wire surface brush that surface is established is pitch-dark, but ground connection clamp and connect terminal etc. and locate not brush oil; When through walls, casing protection is crossed over the shrinkage joint; Carefully connect the wire and guide the place, building entrance into, be marked with black ground connection sign;
(9) monitoring system is installed
1) environment temperature sensor: adopt radiation shield to realize anti-spoke, the plane parallel of total solar radiation sensor and photovoltaic module, deviation be no more than ± and 2 °;
2) measuring equipment is installed: the photovoltaic system environment temperature sensor is arranged on the sun-shading ventilating place of photovoltaic module central point equal height, in photovoltaic module 1.5m-10m scope; The assembly surface temperature pick up is arranged on the center at the photovoltaic module back side; The total solar radiation installation of sensors is on important actor;
3) data acquisition unit is installed: the data acquisition unit construction and installation meet the regulation in " instrument and meter for automation engineering construction and standards of acceptance " GB50093; The holding wire conductor adopts shielding line, avoids and the parallel cabling of strong signal cable, or uses the steel pipe shielding; It is clear that the sign of signal keeps, and the pressure reduction between the multi-analog input signal of a module is not more than 24V;
(10) anti-backflow device is installed: anti-backflow device is arranged in the photovoltaic plant AC power distribution cabinet/AC distribution panel, the current signal of distribution transformer low-pressure side and voltage signal acquisition in AC power distribution cabinet/AC distribution panel;
(11) lightning protection facility is installed
1) first order power arrester is installed on the end of incoming cables; Direct lightning strike, conduction thunder, induction thunder are implemented end of incoming cables department level protection;
2) the arrester circuit distance of one-level arrester that is installed on distribution end and requires distance in the second level is greater than 10 meters; Be struck by lightning energy and lightning wave reflection, indirect lightning strike of the remnants of elementary protection protected;
3) third level arrester is installed on protected equipment end, and greater than 10 meters, and the distance of the circuit between protected equipment is not more than 10 meters apart from the circuit of second level arrester distance, and surpassing 10 meters needs to append the one-level arrester, prevents the lightning wave reflection;
4) ground connection way: require all exposed metal support component reliably to be connected with ground connector, after field trial, adopt the self-tapping screw of M5 to carry out hinged, ground connector forms and is no less than two places, diagonal angle after ring-type and original roof lighting proof strip reliably welds;
5) at photovoltaic module one week of periphery and middle escape way place's increase lightning protection grounding network of roofing, adopt 25 * 4 galvanizing band irons, and reliably be welded to connect with original roof lighting proof strip, weld adopts 2 times red lead anti-corrosive paints to do preservative treatment, and brushes aluminium paint 2 times.
Claims (1)
1. the job practices of a glass film photoelectric curtain wall, is characterized in that: comprise the following steps:
(1) support is installed: at first carry out sign on agent structure, then the good line of bullet punches, gluing is fixed on the support location in the hole, then processes carrying out water-tight around the hole;
(2) roofing is laid
1. photovoltaic module by the design pitch marshalling and be fixed on support or connector on;
2. leave installing space between photovoltaic module and building coats and the gap of dispelling the heat, this gap must not be clogged by foreign material such as constructions;
3. the roofing photovoltaic square formation is arranged according to minimal channel width 500mm;
(3) cable testing bridge is installed
1) before cable testing bridge is installed, with the position that civil engineering water service pipe, the specialty of ventilating are coordinated, at first carry out unwrapping wire location, mounting suspension, hanging set spacing chooses span by line of load and supports, span is 1.5m～3m, and during at right angle setting, the fixed point spacing is not more than 2m;
2) suspension bracket, hang support and install to finish after, carrying out trailing arm installs, trailing arm and hang between support and to use brace to fix, vertical can the gravitate run-off the straight not sagging to guarantee between support and crane span structure body maintenance, erection bridge body again, the crane span structure body uses junction plate to be connected and fixed, and with set bolt, the body of a bridge is fixed on trailing arm, in case the crane span structure slippage;
Height off the ground when 3) cable bridge horizontal is installed is not less than 2.5m, during at right angle setting apart from ground 1.8m;
When 4) cable bridge horizontal is installed, choose best span by line of load and support fixing; Several groups of cable testing bridges arrange maintenance, maintenance distance between each adjacent cable crane span structure when the parallel installation of sustained height;
5) on cable testing bridge continuously apart from cabling, the filling rate in cable cross section in crane span structure, power cable is not more than 40%, control cables is not more than 50%;
6) cable testing bridge is parallel with various pipelines or when intersecting, its minimum low coverage meets following requirement:
7) the every road of cable testing bridge is adopted and is no less than 2 place's reliable grounds, and ground connection adopts the galvanizing band iron to be connected with natural grounding substance, ground resistance≤1 Ω;
(4) electric wire lays
1) wire connects
The crimping method is adopted in the connection of wire in case, box, uses wiring terminal and copper or aluminum casing, wire clamp to connect; The sub-thread aluminum core line adopts the wiring of insulation spiral to turn round connection; During being connected between wire and electric terminal, sub-thread copper or aluminium core and conductor cross-section are 2.5mm
2And following multiply copper conductor directly connects, and the core of multiply copper conductor adopted connect after first tightening, ward off tin again; Multiply copper conductor and conductor cross-section surpass 2.5mm
2Many copper conductors crimp type terminal after be connected with the terminal of electric device again; Copper, aluminum conductor are connected and use copper-aluminum transition terminal, copper-aluminium transition sleeve pipe or copper-aluminium transition wire clip to connect, and copper, when aluminium terminal is connected, copper tip are done and are warded off tin and process; When using the crimping method to connect wire, the specification of wiring terminal copper or aluminum casing, pressing mold is consistent with the core cross section;
2) color mark of insulated electric conductor or bare conductor in circuit:
AC three-phase circuit: L1 is yellow mutually; L2 is green mutually; L3 is red mutually; The neutral conductor is light blue; The protection ground wire is yellowish green alternate color; Greenish-yellow Double-colour horn wire only is used for the mark protection grounding can not be used for other purposes; Light blue is used for neutrality or medium line;
3) calculate every cable length by design and Actual path before laying, arrange every dish cable, the minimizing cable connector;
4) minimum bending radius of cable meets: control cables and PVC insulated power cable are not less than 10D, and power cable with cross-linked polyethylene insulation is not less than 15D, and D is the outside diameter of cable here;
5) during cable laying, cable is drawn from the upper end of dish;
6) layout of power cable connector
1. the cable that lays side by side, stagger mutually in the position of its joint;
2. the joint during the cable surface, put fixing with the supporting plate holder;
3. there is the protection box of the mechanical damage of preventing direct-buried cable connector box outside; Be positioned at the protection box of frozen soil layer, annotate with pitch in box;
7) installing of sign board
In cable terminal, cable connector, corner, interlayer, in the two ends of tunnel and vertical shaft, people's well, install sign board on cable, indicate circuit number on sign board, when without numbering, write cable model, specification and origin exactly, the cable that uses in parallel has serial number;
8) cable that lays of vertical run or the inclination over 45 ° is in each support place; On crane span structure every the 2m place; The cable of horizontal laying is at the place, two ends of cable head and end and turning, cable connector; When the cable spacing is had requirement, every the 5-10m place; Single-core cable fixedly meet designing requirement;
9) fireproofing of cable is fire-retardant
Pass vertical shaft, wall, floor or enter the hole place of electrical panel, cabinet at cable, with the closely knit shutoff of fire prevention calking; In cable trench and tunnel, segmentation or answer the soft flame-proof material that fire resisting wall is set on request to the cable in important loop, in the special raceway groove that is laid in separately or in fire-resistant enclosed slot box, or applies fireproof paint, fire prevention band to it; In the power cable connector both sides and the long section of adjacent cable 2-3 apply fireproof paint or fire prevention band, adopt fire-resistant or flame retardant type cable;
(5) direct current conflux case install, wiring: by design and installation figure carry out frame, rack is installed screw and must be tightened; Frame, machine apart from install should with the inlet wire position alignment; During installation, should adjust level, verticality, deviation and be not more than 3mm; The installation drawing, the design arrangement figure that provide by the supplier carry out the distribution installation; The metal base of frame, rack, distributing frame is all carried out grounding connection; Before termination, the rack inner cable performs colligation, should leave the mobile surplus of 1 meter; Be ready to distributing frame termination table before termination, cable termination carries out according to the termination table; At first the cable that enters in rack from the scene will carry out the verification numbering, and the cable that enters in rack from the scene will be fixed; Enter cable in rack from the scene, should leave surplus; The cable that enters in rack from the scene does not admit of joint;
(6) low-voltage distribution cabinet installation, wiring
When 1) in a row the length of power distribution cabinet surpassed 6m, the channel setting after cabinet led to the outlet in this chamber or other rooms, and outlet is arranged in the both sides of passage, when the distance between two outlets surpasses 15m, also increased export therebetween;
2) designing requirement of construction drawing is pressed in the plan-position of low-voltage distribution cabinet, the locus unified standard size Control in the reference lamina vertical shaft;
3) independent low-voltage distribution cabinet, the verticality of only looking for cabinet face and side;
4) power distribution cabinet in column in place after, first look for the cabinet at two ends, little line is tightened in supreme 2/3 high position under the cabinet again, and is by the platform centering, as nonstandard in cabinet, be as the criterion with the cabinet face, adopt the 0.5mm iron plate to adjust during centering, every place pad can not surpass 3, the size of then pressing set bolt at most, use drilling of electric hand drill on the foundation trench steelframe, low-voltage distribution cabinet is fixed with the galvanized bolt of M12;
5) in a row power distribution cabinet is fixed with bolt between cabinet and cabinet, according to the difference of the height of cabinet, selects corresponding fixed point;
(7) inverter is installed
1) photovoltaic combining inverter requires installation ground smooth, and the rack surrounding has enough spaces, is convenient to heat radiation and safeguards, headroom is not less than 50cm, and the space, back is not less than 50cm, and rack the place ahead can not be less than 80cm;
By assembly access situation divide single group conspire to create, organize more conspire to create, centralized;
2) be connected with photovoltaic array: when designing the group serial type photovoltaic array that is connected with the 100KW Photovoltaic Inverter, photovoltaic array both positive and negative polarity open-circuit voltage is no more than 880V;
3) be connected with electrical network: as long as the three phase network electric voltage frequency meets the requirements, photovoltaic combining inverter can work, voltage range: 310V～450V, frequency range: 47HZ～51.5HZ;
4) DC side wiring: the maximum open circuit voltage of photovoltaic module is no more than 880V, and not charged when connecting the input cable, namely the line breaker of DC power distribution cabinet must be in off-state; Measure the input voltage positive-negative polarity with universal meter, avoid inputting reverse polarity connection; Just just connecing input terminal with input, to input the negative input terminal that connects;
5) AC wiring: when connecting the electric current electrical network, AC is not charged, and namely the line breaker of AC power distribution cabinet/AC distribution panel is in off-state;
6) ground wire wiring: the ground connection copper bar of photovoltaic DC-to-AC converter reliably is connected with the earth gets final product;
(8) ground device is installed
1) ground device is installed: natural grounding substance, and utilize and do ground connector without waterproof baseplate reinforcing bar or deep foundation, by designing requirement, the baseplate reinforcing bar overlap joint is welded; With two reinforcing bar and baseplate reinforcing bar welding of facing mutually the diagonal angle in post, and main muscle in post is carried out mark with colour code, the colour code color is separated with the color of using on civil works in same construction unit;
2) the ground connection main line lays: surface is established dismounting and the maintenance that ground wire does not hinder equipment; Grounding wire is answered level or vertical run, or along the building surface parallel lay-up; When grounding wire laid along building walls, the ground connection main line was not less than 200 ㎜ apart from ground, be not less than 10m apart from metope, and the horizontal range between supporter is 1m, and vertical component is 1.5m, and round part is divided into 0.5m; The grounding wire surface brush that surface is established is pitch-dark, but ground connection clamp and connect terminal etc. and locate not brush oil; When through walls, casing protection is crossed over the shrinkage joint; Carefully connect the wire and guide the place, building entrance into, be marked with black ground connection sign;
(9) monitoring system is installed
1) environment temperature sensor: adopt radiation shield to realize anti-spoke, the plane parallel of total solar radiation sensor and photovoltaic module, deviation be no more than ± and 2 °;
2) measuring equipment is installed: the photovoltaic system environment temperature sensor is arranged on the sun-shading ventilating place of photovoltaic module central point equal height, in photovoltaic module 1.5m-10m scope; The assembly surface temperature pick up is arranged on the center at the photovoltaic module back side; The total solar radiation installation of sensors is on important actor;
3) data acquisition unit is installed: the data acquisition unit construction and installation meet the regulation in " instrument and meter for automation engineering construction and standards of acceptance " GB50093; The holding wire conductor adopts shielding line, avoids and the parallel cabling of strong signal cable, or uses the steel pipe shielding; It is clear that the sign of signal keeps, and the pressure reduction between the multi-analog input signal of a module is not more than 24V;
(10) anti-backflow device is installed: anti-backflow device is arranged in the photovoltaic plant AC power distribution cabinet/AC distribution panel, the current signal of distribution transformer low-pressure side and voltage signal acquisition in AC power distribution cabinet/AC distribution panel;
(11) lightning protection facility is installed
1) first order power arrester is installed on the end of incoming cables; Direct lightning strike, conduction thunder, induction thunder are implemented end of incoming cables department level protection;
2) the arrester circuit distance of one-level arrester that is installed on distribution end and requires distance in the second level is greater than 10 meters; Be struck by lightning energy and lightning wave reflection, indirect lightning strike of the remnants of elementary protection protected;
3) third level arrester is installed on protected equipment end, and greater than 10 meters, and the distance of the circuit between protected equipment is not more than 10 meters apart from the circuit of second level arrester distance, and surpassing 10 meters needs to append the one-level arrester, prevents the lightning wave reflection;
4) ground connection way: require all exposed metal support component reliably to be connected with ground connector, after field trial, adopt the self-tapping screw of M5 to carry out hinged, ground connector forms and is no less than two places, diagonal angle after ring-type and original roof lighting proof strip reliably welds;
5) at photovoltaic module one week of periphery and middle escape way place's increase lightning protection grounding network of roofing, adopt 25 * 4 galvanizing band irons, and reliably be welded to connect with original roof lighting proof strip, weld adopts 2 times red lead anti-corrosive paints to do preservative treatment, and brushes aluminium paint 2 times.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110408439 CN102518310B (en) | 2011-12-09 | 2011-12-09 | Construction method of photoelectric curtain wall of glass film |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110408439 CN102518310B (en) | 2011-12-09 | 2011-12-09 | Construction method of photoelectric curtain wall of glass film |
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| CN102518310B true CN102518310B (en) | 2013-11-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109911134A (en) * | 2019-03-15 | 2019-06-21 | 中国能源建设集团安徽电力建设第一工程有限公司 | Water surface floating photovoltaic power generation construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103197352B (en) * | 2013-03-12 | 2015-05-13 | 武汉大学 | Multifunctional wall body detecting instrument |
| JP6784079B2 (en) * | 2016-07-07 | 2020-11-11 | 富士ゼロックス株式会社 | Charging member, charging device, process cartridge and image forming device |
| CN106129926A (en) * | 2016-08-18 | 2016-11-16 | 上海市政工程设计研究总院（集团）有限公司 | A kind of non-wet environment cable connector fireproof protection box |
| CN112609917B (en) * | 2020-12-18 | 2022-05-17 | 保定嘉盛光电科技股份有限公司 | Vertical face installation mode based on photovoltaic wall brick |
| CN113819343B (en) * | 2021-09-30 | 2022-11-08 | 上海宝冶集团有限公司 | Method for fixing super heat-insulating material of water beam column of heating furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7845128B2 (en) * | 2008-09-23 | 2010-12-07 | Architectural Glass And Aluminum Corporation, Inc. | Unitized building integrated photovoltaic conversion module |
| KR101251709B1 (en) * | 2009-06-04 | 2013-04-05 | (주)엘지하우시스 | Flat roof type curtain wall mount assembly for building integrated photovoltaic |
| KR20110045523A (en) * | 2009-10-27 | 2011-05-04 | 알루텍 (주) | Installation method of exterior material for building integrated photovoltaic |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109911134A (en) * | 2019-03-15 | 2019-06-21 | 中国能源建设集团安徽电力建设第一工程有限公司 | Water surface floating photovoltaic power generation construction method |
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